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Internal Lab Registeration. http://www.cit.just.edu.jo/labreg/lab/signup.aspx http://www.just.edu.jo/munzer/. Chapter 1. An Introduction to Computers and Visual Basic. Outline and Objectives. Introduction to Computers Using Windows Files and Folders An Introduction to Visual Basic.

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Internal lab registeration

Internal Lab Registeration

  • http://www.cit.just.edu.jo/labreg/lab/signup.aspx

  • http://www.just.edu.jo/munzer/

Chapter 1- Visual Basic Schneider


Chapter 1

Chapter 1

An Introduction to Computers and Visual Basic

Chapter 1- Visual Basic Schneider


Outline and objectives

Outline and Objectives

Introduction to Computers

Using Windows

Files and Folders

An Introduction to Visual Basic

Chapter 1- Visual Basic Schneider


Parts of a computer system

Parts of a Computer System:

  • Hardware: Electronic Devices

  • Software: Instructions and Computer Programs

Chapter 1- Visual Basic Schneider


Main components of hardware

Main components of Hardware:

  • Input : Keyboard, Mouse

  • System unit:

    • Random Access Memory (RAM)

    • Central Processing Unit (CPU)

  • Output: Monitor, Printer

  • Secondary Storage: Disk Drive

Chapter 1- Visual Basic Schneider


R andom a ccess m emory ram

Random Access Memory (RAM)

  • Stores program instructions and data needed for processing.

  • Stores intermediate and final results of processing.

  • Contents are erased when computer is turned off or reset.

Chapter 1- Visual Basic Schneider


Programming languages

Programming Languages:

  • Machine Language

  • High level Language

Chapter 1- Visual Basic Schneider


Machine language

Machine Language

  • The fundamental language of the computer’s processor, also called Low Level Language.

  • All programs are converted into machine language before they can be executed.

Chapter 1- Visual Basic Schneider


High level language

High Level Language

  • Computer (programming) languages that are easier to learn.

  • Uses English like statements.

  • Examples are C++, Visual Basic, and Java

Chapter 1- Visual Basic Schneider


Software

Software:

  • Instructions for the hardware.

  • A collection of instructions is called a program.

Chapter 1- Visual Basic Schneider


Using windows

Using Windows

  • Basic techniques to use the mouse:

    • Pointing

    • Clicking

    • Dragging

    • Double-Clicking

    • Hovering

Chapter 1- Visual Basic Schneider


Key terms in using windows

Key Terms in using Windows

  • Title Bar

  • Active window

  • Dragging a window

Chapter 1- Visual Basic Schneider


Using windows1

Using Windows

  • Reviewing Notepad to learn more about Windows applications

  • Notepad is an item in the Accessories menu

Chapter 1- Visual Basic Schneider


Files folders

Files & Folders:

  • A disk can store thousands of files.

  • To organize your files you have to store them in different folders (directories).

  • File name consists of letters, digits, periods and other assorted characters.

  • The following character cannot be used in a file or folder name /, \, ?, *, :, ”, <, >, |

  • A File name can contain up to 215 characters

Chapter 1- Visual Basic Schneider


Key terms in using folders

Key Terms in using Folders

  • Root folder

  • Path: A nested sequence of folders

    • Example: A:\Temp\MyProjects\

  • File Specification: A drive letter, path, and filename

    • Example: A:\Temp\MyProjects\Example.vbp

Chapter 1- Visual Basic Schneider


History of visual basic

History of Visual Basic:

  • BASIC stands for Beginner’s All-purpose Symbolic Instruction Code.

  • BASIC was developed by John Kemeny and Thomas Kurtz in mid-1960s.

  • Visual Basic was released in 1991 by the Microsoft Corporation.

Chapter 1- Visual Basic Schneider


Introduction to visual basic

Introduction to Visual Basic:

  • A language used to create windows applications.

  • Programs are developed with a Graphical User Interface or GUI.

  • The instructions executed in the program are controlled by events.

Chapter 1- Visual Basic Schneider


Terminology used in visual basic

Terminology used in Visual Basic:

  • Form

  • Control

  • Object

  • Properties

  • Event

Chapter 1- Visual Basic Schneider


Steps to design a visual basic application

Steps to Design a Visual Basic Application

  • Design the appearance of the window that the user sees.

  • Determine the events that the controls on the window should recognize.

  • Write the event procedures for those events.

Chapter 1- Visual Basic Schneider


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